MacOS Catalina: Slow by Design?

I am using Ubuntu 20.04 on a Thinkpad X1 Extreme Gen2 and you would be surprised how "normal" it feels as a development machine. Sure there some little annoyances, the touchpad behaves a little worse than on windows, sound is a little worse. But the most important things, Keyboard and Screen are excellent. The system in general does not feel like the horror stories that people keep telling about linux on desktop(notebook). Now that WSL2 is getting Cuda even windows looks workable. Their new terminal app is amazing. After a decade of Mac notebooks it was quite liberating and I would not switch back even if the flaws in macOS would be fixed. It is for sure the nicest of the big 3 operating systems but for development work Ubuntu is hard to beat for me. YMMV but it won't hurt to look around you what else is there.

I would love to switch back to Linux but Apple's Retina displays are absolutely beautiful and there is no way I could enjoy going back to anything with noticeably lower pixel density on a laptop. I'd like to be told I'm wrong, but as far as I know it's not really possible to recreate a comparable high pixel density experience under Linux on a laptop.